BETA3 crash (zfs related ?)

Alexandre Biancalana biancalana at
Sat Nov 24 04:28:15 PST 2007

On Nov 24, 2007 9:15 AM, Remko Lodder <remko at> wrote:
> Can you look at the developers handbook and follow the ways to get
> a proper backtrace which we can investigate? I see from the logfile
> that you send along, that a dump had been made, so the information
> might be there :-)

My kernel is already compiled with all debug stuff. I forget to
mention that I tried to debug but I can't look at this:

Manny:/var/crash # kgdb /boot/kernel/kernel vmcore.6
[GDB will not be able to debug user-mode threads:
/usr/lib/ Undefined symbol "ps_pglobal_lookup"]
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "amd64-marcel-freebsd".
(no debugging symbols found)...Attempt to extract a component of a
value that is not a structure pointer.
(kgdb) bt
#0  0xffffffff8032668a in doadump ()
#1  0xffffffffd8272450 in ?? ()
#2  0xffffffff80326ba5 in boot ()
Previous frame inner to this frame (corrupt stack?)

Can you help with that ?

Thank you !

More information about the freebsd-current mailing list